The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Distinguished Service Cross to Major (Infantry) Duncan Gilbert Harris, United States Army, for extraordinary heroism in action while serving with 305th Infantry Regiment, 77th Division, American Expeditionary Forces, in the Argonne Forest, 30 September 1918. During an attack in the Argonne Forest, Major Harris fell and broke his collar bone, but he continued with his battalion throughout the attack, and until the Meuse was reached. For 15 days he was continually with big battalion, personally leading them against strongly fortified enemy position, although suffering acute and continued pain from his injury and being handicapped by having his arm in a sling.